SIMANGUNSONG, N.; SARI, N.; RITONGA, H. D.; ZONA, M. Teachers’ Role in Preventing and Managing Bullying at SD Negeri 200117/26 Padangsidimpuan. Journal of Educational Research and Practice, Tulungagung, Indonesia, v. 1, n. 1, p. 111–121, 2023. DOI: 10.70376/jerp.v1i1.107. Disponível em: https://cesmid.or.id/index.php/jerp/article/view/107. Acesso em: 18 apr. 2026.